CONTENTS {continued). 



May 16, 1889. 



PAGE 



I. On a possible Greological Origin of Terrestrial Magnetism. By 

 Edwaed Hull, M.A., LL.D., F.E.S., Director of the Greological 



Survey of Ireland 92 



II. Physiological Action of the Active Principle of the Seeds of Abrus 

 precatorius (Jequirity). By Sidney Martin, M.D. London, British 

 Medical Association Research Scholar, Assistant Physician to the 

 Victoria Park Chest Hospital, and E. Norris Woleenden, M.D. 

 (Cantab.). (From the Physiological Laboratory, University College.) 94 



III. The Toxic Action of the Albumose from the Seeds of Abrus preca- 



torins. By Sidney Martin, M.D. London, British Medical Associa- 

 tion Eesearch Scholar, Assistant Physician to the Victoria Park Chest 

 Hospital. (From the Physiological Laboratory, University College, 

 London.) . . . . .100 



IV. On the early Development of Lepidosteus osseus. Preliminary Notice. 



By J. Beaed, Ph.D., B.Sc, Zoologist to the Scottish Fishery Board, 



Edinburgh 108 



V. The Assimilation of Carbon by Green Plants from certain Organic 

 Compounds. By E. Hamilton Acton, M.A., Fellow of St. John's 



College, Cambridge . . . . , 118 



VI. Appendix to Paper on descending Degenerations following Lesions in 

 the Gyrus marginalis and Gyrus fornicatus in Monkeys. By E. P. 



Feance , ■ . 122 



VII. On Phymosoma varians. By Arthur E. Shipley, M.A., Fellow and 

 Lecturer of Christ's College, Cambridge, and Demonstrator of Com- 

 parative Anatomy in the University 122 



VIII. On the Dentition of Ornithorhynchus. By Oldpield Thomas, Natural 



History Museum (Plate 2) . . . ■ 126 



List of Presents 132 



On the Limit of Solar and Stellar Light in the Ultra-violet Part of the 



Spectrum. By William Huggins, D.C.L., LL.D., F.R.S. . . .133 



The Specific Eesistance and other Properties of Sulphur. By James 



Monckman, D.Sc. . . . . . 136 



Obituary Notices : — 



Eev. Thomas G-askin . . . . . i 



Dr. Arthur Farre iii 



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